fixed remove issue, made items avaiable for available view

trade-hub/backend/app/schemas.py

@@ -1,6 +1,6 @@
 """Pydantic request/response models for auth and personal inventory."""
 from datetime import datetime
-from typing import Any
+from typing import Any, Literal
 
 from pydantic import BaseModel, ConfigDict, Field
 
@@ -38,6 +38,7 @@ class InventoryAddRequest(BaseModel):
 class InventoryPatchRequest(BaseModel):
     quantity: int | None = Field(default=None, ge=1, le=config.MAX_QUANTITY)
     notes: str | None = Field(default=None, max_length=config.MAX_NOTES_LENGTH)
+    visibility: Literal["private", "available"] | None = None
 
 
 class InventoryEntryOut(BaseModel):
@@ -50,6 +51,8 @@ class InventoryEntryOut(BaseModel):
     manufacturer: dict | None
     quantity: int
     notes: str
+    # Owner-chosen classification. Unrelated to `available` below.
+    visibility: Literal["private", "available"]
     # False when the catalog no longer contains the referenced item (e.g. after
     # a dataset refresh). The row is preserved rather than silently deleted.
     available: bool
@@ -72,6 +75,28 @@ class InventorySummary(BaseModel):
     unavailable: int
 
 
+class AvailableItemOut(BaseModel):
+    class_name: str
+    name: str
+    category: str | None
+    type: str | None
+    size: int | None
+    grade: Any | None = None
+    manufacturer: dict | None
+    quantity: int
+    # Public listing: only the owner's display name, never notes.
+    username: str
+    updated_at: datetime
+
+
+class AvailablePage(BaseModel):
+    total: int
+    page: int
+    page_size: int
+    total_pages: int
+    items: list[AvailableItemOut]
+
+
 class InventoryAddResponse(BaseModel):
     entry: InventoryEntryOut
     created: bool